/*
* Copyright (c) 2003 The Visigoth Software Society. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgement:
* "This product includes software developed by the
* Visigoth Software Society (http://www.visigoths.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements normally appear.
*
* 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the
* project contributors may be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [email protected].
*
* 5. Products derived from this software may not be called "FreeMarker" or "Visigoth"
* nor may "FreeMarker" or "Visigoth" appear in their names
* without prior written permission of the Visigoth Software Society.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE VISIGOTH SOFTWARE SOCIETY OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Visigoth Software Society. For more
* information on the Visigoth Software Society, please see
* http://www.visigoths.org/
*/
package freemarker.core;
import java.util.*;
import java.io.IOException;
import freemarker.template.TemplateException;
/**
* Encapsulates an array of <tt>TemplateElement</tt> objects.
*/
final class MixedContent extends TemplateElement {
MixedContent()
{
nestedElements = new ArrayList();
}
void addElement(TemplateElement element) {
nestedElements.add(element);
}
TemplateElement postParseCleanup(boolean stripWhitespace)
throws ParseException
{
super.postParseCleanup(stripWhitespace);
if (nestedElements.size() == 1) {
return (TemplateElement) nestedElements.get(0);
}
return this;
}
/**
* Processes the contents of the internal <tt>TemplateElement</tt> list,
* and outputs the resulting text.
*/
void accept(Environment env)
throws TemplateException, IOException
{
for (int i=0; i<nestedElements.size(); i++) {
TemplateElement element = (TemplateElement) nestedElements.get(i);
env.visit(element);
}
}
public String getCanonicalForm() {
StringBuffer buf = new StringBuffer();
for (int i = 0; i<nestedElements.size(); i++) {
TemplateElement element = (TemplateElement) nestedElements.get(i);
buf.append(element.getCanonicalForm());
}
return buf.toString();
}
public String getDescription() {
if (parent == null) {
return "root element";
}
return "content"; // MixedContent is uninteresting in a stack trace.
}
boolean isIgnorable() {
return nestedElements == null || nestedElements.size() == 0;
}
}
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